My husband and I are getting a divorce but we sleep together every night and having sex is this considered a non void divorce

You can sleep with whomever you wish.

What should I do? I am in a terrible marital situation.

As counsel said, you either need to speak with your attorney, or retain counsel.

My partner wants me to give up our son and move out of our apartment. What can i do?

Say no, and file for custody and child support. Better yet, speak to an attorney.

Is a notarized statement granting physical custody of a child a court document?

That is correct. People cannot hand over custody by notarized documents.

Is it better to go for joint custody or full custody if I live in New Jersey and my child and her mother live in New York ?

You really should speak with an attorney who is licensed and practices in both NY and in NJ. Each case is different and complicated.

Do not do it yourself. Most attorneys wont even do it. They hire an outside vendor like Lexington Pensions to do it for them.

Can I get mother of kids to pay for health insurance while I pay support?

It really depends on the court order and the availability of insurance. You can also ask the other parent to pay their pro-rata share.

Can I request my spouse to disclaim paternity in a uncontested divorce?

You can request it, but remember, uncontested means everything is contested, if you diasgree on anything, its contested.

At what age can my son say he doesn’t want to see me?

The real answer is no age. However, Judges and the "system" will not force teens to do what they don't want to do after a certain age.

How do I file for divorce when my spouse is incarcerated in another state ?

You can file for divorce in NYS, and serve the warden of the prison he is in.